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Commit d72d9e2a authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

mm: export filemap_check_errors() to modules 



Can be used by fuse, btrfs and f2fs to replace opencoded variants.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 9446385f

include/linux/fs.h

+1 −0
Original line number Diff line number Diff line
@@ -2507,6 +2507,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping, 
				loff_t start, loff_t end, int sync_mode);

extern int filemap_fdatawrite_range(struct address_space *mapping,

				loff_t start, loff_t end);

extern int filemap_check_errors(struct address_space *mapping);



extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,

			   int datasync);

mm/filemap.c

+2 −1
Original line number Diff line number Diff line
@@ -254,7 +254,7 @@ void delete_from_page_cache(struct page *page) 
}

EXPORT_SYMBOL(delete_from_page_cache);



static int filemap_check_errors(struct address_space *mapping)

int filemap_check_errors(struct address_space *mapping)

{

	int ret = 0;

	/* Check for outstanding write errors */
@@ -266,6 +266,7 @@ static int filemap_check_errors(struct address_space *mapping) 
		ret = -EIO;

	return ret;

}

EXPORT_SYMBOL(filemap_check_errors);



/**

 * __filemap_fdatawrite_range - start writeback on mapping dirty pages in range